<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		
		<script type="text/javascript">
			var name = "张三"
				age = 20
				sta = 180
				tq = "今天是一个大晴天哦"
				h = 120
				w = 50
				p = 3.14
				r = 1.5
				var x = 10
					y = 20
					z = x
					x = y
					y = z
					console.log("x=" + x)
					console.log("y=" + y)
					
				document.write("我叫" + name + "<br />","今年" + age + "岁了"  + "<br />", "我的身高是" + sta + "cm"  + "<br />", tq)
				document.write("<br />" + "矩形面积为" + h * w)
				document.write("<br />" + "圆的面积为" + (p * r ) * (p * r) + "<br />"+ "圆的周长为" + 2 * (p * r ))
				document.write("<br />" + "大家好" , "我叫做张三" , "今年十八零一百三十个月了" )
				
		</script>
	</body>
</html>
